EPiServer is a web content management system software company that provides web content management and e-commerce software. The EPiServer software is built on Microsoft .NET technologies and supports both WebForms and MVC, with HTML5, JavaScript and REST. It can be completely managed using a web browser. EPiServer’s architecture offers plug-in support by third-party vendors. Several products within areas such as PIM, SEO, SEM, search and DAM are offered, supported and maintained by vendors from all over the world.